multipath_chann

Data Acquisition数据获取代码，主要从麦克风获取语音信号，然后real time plot输入信号的时域和频域波形图(Data Acquisition Data acquisition code, mainly for voice signal from the microphone, and then real time plot of the input signal in time domain and frequency domain waveform)

编写一个MATLAB函数，实现快速卷积算法，给出一个实例。用一个N点离散傅立叶变换同时计算两个N点实序列的离散傅立叶变换。(The preparation of a MATLAB function, fast convolution algorithm, given a case in point. With a N-point discrete Fourier transform at the same time calculation of the two N-point real sequence of discrete Fourier transform.)

vb license plate recognition systems, to achieve accurate identification number plates

说明：  非常完善的GPS toolbox，内含中文readme以及中文翻译的介绍。 GPS TOOLBOX包含以下内容： 1、GPS相关常量和转换因子； 2、角度变换； 3、坐标系转换： 点变换； 矩阵变换； 向量变换； 4、专用测绘程序； 5、专用统计函数； 6、GPS时间工具； 7、专用GPS数据处理函数； 8、航迹和相关工具； 9、卫星位置计算； 10、高度和方位角判定，以及卫星可见性； 11、DOP（dilution of precision）计算，卫星选取和相关函数； 12、专用信号处理和Kalman滤波函数； 13、伪距和误差判定及相关函数； 14、用户位置判定及相关函数； 15、RAIM/FDE可用性和完好性评估相关函数。(Very good GPS toolbox, contains readme and the Chinese translation of the Chinese introduction. GPS TOOLBOX contains the following: 1, GPS-related constants and conversion factors 2, the point of transformation 3, coordinate system conversion: Point transformation Matrix transformation Vector transformation 4, special mapping procedures 5, special statistical functions 6, GPS time tools 7, special GPS data processing function 8, track and related tools 9, the satellite position calculation 10, determine the height and azimuth, and satellite visibility 11, DOP (dilution of precision) calculations, the satellite selection and related functions 12, special signal processing and Kalman filtering function 13, pseudo-range and error determination and related functions 14, user location determination and related functions 15, RAIM/FDE availability and integrity assessment of related functions.)

adaboost原始算法，经典的两类问题分类算法(adaboost the original algorithm, the classic two types of classification algorithms on)

matlab编程的指导教程，其中配有大量M文件的例程，对matlab的初学者很有用(matlab programming tutorial, which Peiyoutailiang M-file routines, useful for beginners matlab)

双向平滑算法的研究可以有效的测量频率的频谱(matlab Double smoothing algorithm )

用matlab编写的程序，关于MATLAB图像处理的去噪，高斯滤波，低通滤波等等。(Matlab program on matlab image processing, denoising, gaussian filtering, low-pass filtering and so on。)

Space time coding - Alamouti scheme(Space time coding- Alamouti scheme)

主成分分析方法在各个变量之间相关关系研究的基础上，用较少的新变量代替原来较多的变量，而且使这些较少的新变量尽可能多地保留原来较多的变量所反映的信息一种方法。(Principal Component Analysis in the relationship between the various variables on the basis of the study, with fewer new variables replace the original more variable, but made them less a new variable as much as possible to retain the original variables that reflect more information methods)